Granted Patent
Utility
US 5,115,639 · App. 07/724,394
Dual EGO sensor closed loop fuel control
Inventor:
Alexander Y. Gopp
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jun 28, 1991
Inventor
Alexander Y. Gopp
Assignee (at issue)
Ford Motor Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.